CVE-2019-11048 Information

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Description

In PHP versions 7.2.x below 7.2.31 7.3.x below 7.3.18 and 7.4.x below 7.4.6 when HTTP file uploads are allowed supplying overly long filenames or field names could lead PHP engine to try to allocate oversized memory storage hit the memory limit and stop processing the request without cleaning up temporary files created by upload request. This potentially could lead to accumulation of uncleaned temporary files exhausting the disk space on the target server.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00045.html https://bugs.php.net/bug.php?id=78875 https://bugs.php.net/bug.php?id=78876 https://lists.debian.org/debian-lts-announce/2020/06/msg00033.html https://lists.fedoraproject.org/archives/list/[email protected]/message/OBA3TFZSP3TB5N4G24SO6BI64RJZXE3D/ https://lists.fedoraproject.org/archives/list/[email protected]/message/XMDUQ7XFONY3BWTAQQUD3QUGZT6NFZUF/ https://security.netapp.com/advisory/ntap-20200528-0006/ https://usn.ubuntu.com/4375-1/ https://www.debian.org/security/2020/dsa-4717 https://www.debian.org/security/2020/dsa-4719 https://www.oracle.com/security-alerts/cpuoct2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3